Alternate COM data type names

Documentation on COM objects generally specifies COM data type names similar to those shown in Table 73 and Table 74. However, some documentation and some COM object viewers might use an alternative nomenclature. The following table shows the most common alternates.

Table 75. Alternative COM data type names
Alternative name	Common name
VT_ARRAY	Array
VT_BOOL	Boolean
VT_BSTR	String
VT_BYREF	Pointer
VT_BYREF + VT_VARIANT	Variant Pointer
VT_CY	Currency
VT_DATE	Date
VT_DISPATCH	Object
VT_ERROR	Error Code
VT_I1	Signed Byte
VT_I2	Signed Short (2-byte integer)
VT_I4	Signed Integer (4-byte integer)
VT_I8	Signed 8-byte Integer
VT_PTR	Pointer
VT_PTR + VT_VARIANT	Variant Pointer
VT_R4	Float (Single)
VT_R8	Double
VT_UI1	Unsigned Byte
VT_UI2	Unsigned Short (2-byte integer)
VT_UI4	Unsigned Integer (4-byte integer)
VT_UI8	Unsigned 8-byte Integer
VT_UNKNOWN	Object
VT_VARIANT	Variant ( anytype )